158720196 has 12 divisors (see below), whose sum is σ = 370347152. Its totient is φ = 52906728.

The previous prime is 158720189. The next prime is 158720201. The reversal of 158720196 is 691027851.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6613330 + ... + 6613353.

Almost surely, 2^158720196 is an apocalyptic number.

It is an amenable number.

158720196 is an abundant number, since it is smaller than the sum of its proper divisors (211626956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158720196 is a wasteful number, since it uses less digits than its factorization.

158720196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13226690 (or 13226688 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 39.

The square root of 158720196 is about 12598.4203771743. The cubic root of 158720196 is about 541.4321790361.

The spelling of 158720196 in words is "one hundred fifty-eight million, seven hundred twenty thousand, one hundred ninety-six".